node modules, require

Question 1

What is a JavaScript module?

Answer 1

a single js file that has its own scope and can be reused

Question 2

What values are passed into a Node.js module’s local scope?

Answer 2

exports, require, module, __filename, __dirname

Question 3

Give two examples of truly global variables in a Node.js program.

Answer 3

setInterval, setTimeout, clearInterval, clearTimeout, process, console

Question 4

What is the purpose of module.exports in a Node.js module?

Answer 4

Allows other modules to access certain variables, functions, etc

Question 5

How do you import functionality into a Node.js module from another Node.js module?

Answer 5

const moduleName = require(‘./filename’);